Browsing Master Theses by Advisor "Justinon"
Now showing items 1-10 of 10
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Analisis Proses Paduan Transformasi Bainitik Baja Mangan
(Universitas Sumatera Utara, 2008)The mechanical properties of austenit manganese steel is various according to a certain amount of carbon and manganese in solid solution. When amount of carbon added continuosly in solid solution will decrease the hardness ... -
Analisis Simulasi Fraksi Baja Mangan (Fe Mn) pada Kondisi Pendinginan Udara (Air Cooling)
(Universitas Sumatera Utara, 2007)Either bainitic phase or pearlitic phase which formed in heattreatment of Hadfield mangan steel in temperature of 450, 500,550 either 600 °C with holding time 30 minute and 60 minute can be plot by simulation program of ... -
Pembentukan Kurva S dari Proses Kinetika Transformasi Fasa Baja Mangan pada Temperatur 600 oC
(Universitas Sumatera Utara, 2008)A research is made on material of steel mangan hadfield usually used as railroad by taking the data of microstructural change caused by heat treatment in aging temperature areas. The material is heated until temperature ... -
Pembuatan Paving Block dengan Menggunakan Limbah Las Karbit sebagai Bahan Additif dengan Perekat Limbah Padat Abu Terbang Batubara (Fly Ash) PLTU Labuhan Angin Sibolga
(Universitas Sumatera Utara, 2010)Many kinds of analysis about the utilizing of fly ash and carbide waste for the making of concrete have been conducted. The analysis done here uses the two of waste they are; fly ash and carbide waste mixed with cement, ... -
Penentuan Persentase Pembentukan Fasa Austenit pada Transformasi Bainit Baja Mangan (FeMn) dengan Validasi Microhardness dan Macrohardness pada Temperatur 500ºC
(Universitas Sumatera Utara, 2008)An investigation was done to a Hadfield 3401 steel used for railroad which formed in heat treatment at 1200 oC and then done with water quenching. The material was subjected to predict the change of microstructure’s by ... -
Pengaruh Konsentrasi Mangan (Mn) terhadap Sifat Mekanik Baja Karbon Rendah
(Universitas Sumatera Utara, 2011)Has done research on "Effect of Manganese Concentration Against the Mechanical Properties of Low Carbon Steel". SC 37 on carbon steel has a tensile strength ≥ 37 kgf/mm2, the length of ≥ 26%. To determine the effect ... -
Pengaruh Konsentrasi Pospor (P) terhadap Sifat Mekanik Baja Karbon Rendah
(Universitas Sumatera Utara, 2011)Has done research on the influence of phosphorus (P) on the mechanical properties of low carbon steels by varying the presentation of the element phosphorus (P). Raw materials with the composition of SC 37 is melted in ... -
Pengaruh Konsentrasi Silikon (Si) terhadap Sifat Mekanik Baja Karbon Rendah
(Universitas Sumatera Utara, 2011)Has done research on the influence of silicon (Si) on the mechanical properties of low carbon steels by varying the presentation of the element silicon (Si). Raw materials with the composition of SC 37 is melted in electric ... -
Perbandingan Fraksi Baja Mangan dengan Beberapa Counting Methods
(Universitas Sumatera Utara, 2008)Hadfield steel was subjected to solution treatment by heating at temperature of 1000-1200 oC and then water quenched. The investigation for the development of microstructure in a re-heattreatment by heating at temperature ... -
Perubahan Fasa Baja Mangan (FeMn) Hadfield 3401 pada Proses Pemanasan dan Perlakuan Pendinginan Cepat (Water Quenching) dan Lambat (Air Cooling)
(Universitas Sumatera Utara, 2007)Hadfield steel was subjected to solution treatment by heating at a temperature of 1000ºC-1090ºC and then water quenched. The as-quenched material was then investigated for the development of microstructure in an reheat-treatment ...